By: Shannon de RyhoveCreamer Media Senior Deputy Editor Polity & MultimediaFrom Creamer Media in Johannesburg, this is the Real Economy Report. Our top stories this week:A new rock drill reduces electricity and water use in mines;We look at how ozone can help gold mines to be more environment-friendly;And, we explore Denel's part in the Aerospace and Defence 2010 show, in September.

Shannon de Ryhove:Water hydraulic drilling systems manufacturer Peterstow Aquapower have developed a drill which reduces water and electricity use, saving mining companies exponential capital and operational costs. Megan Wait has the story.

Megan Wait: The closed-loop hydraulic drill, which uses less than 0,01% of energy and 60% less water than that required by some of the existing systems on the market, is manufactured at Peterstow's facility in Ngwenya, Swaziland. The facility is considered to be the biggest investment in the region.

Peterstow director of operations Alan Barrows explains.

Peterstow director of operations Alan Barrows

Shannon de Ryhove:Cyanide remains a prominent chemical in the gold extraction process. However, the process doesn't entirely destroy the chemical, meaning that tailings need to be pumped into sludge dams. Henry Lazenby explores how ozone can help mines clean up more effectively.

Henry Lazenby: African Oxygen supplies most gold mines with oxygen for the GoldOx application that is used to extract gold. The company now advocates using ozone to efficiently neutralise harmful cyanide in tailings dams.

Shannon de Ryhove:Defence and aerospace company Denel will be exhibiting at the Africa Aerospace and Defence 2010 show in September. The show will provide Denel with an opportunity to showcase its capabilities and increase career awareness in aviation. Eleanor Seggie has the story.

By: Terence Creamer
Embattled South African steel producer ArcelorMittal South Africa (AMSA) has offered insight into the “fair pricing model” it has tabled before government in return for tariff protection and a government stipulation that locally manufactured steel be designated for...

By: Natasha Odendaal
Telecommunications group Telkom on Friday said it had posted a 1.7% uptick in net revenue for the three months to June 30, on the back of a strong performance by mobile on data revenue and higher fixed-line subscription revenue. Mobile net revenue for the first three...

By: Reuters
Dangote Cement revised its 2015 spending plans to $1-billion from the $700-million estimated nine months ago after it commissioned two new African plants this June, Nigeria's biggest listed company said on Friday. The company, majority owned by billionaire Aliko...

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ARMANDÉ KRUGER
Balancing the collection and processing of data must be aligned to strategy

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The South African Civil Aviation Authority (SACAA) has announced that it had awarded the country’s first remotely piloted aircraft systems (RPAS) pilot’s licence. It was issued on Friday, July 10, to SACAA employee and qualified commercial pilot Nicole Swart,...